Number of production units
[经] 生产单位数目
🧩 词语组成解析
of
[əv]
prep. 关于;属于…的;由…制成;
aux. 助动词 [非标准用语、方言] =have [主用于虚拟语气];
n. 单位
🗣️ 情景例句
Birds are good pets, they can wake you up by singing in the morning.
鸟是很好的宠物，它们早上的歌声可以将你从梦中唤醒。
I took out my pen.
我拿出了我的笔。
It's a waste of time reading that book. It's rubbish.
看那本书真是浪费时间。那简直是垃圾。